i mean, we wished her well and hoped for the best. >> kathy was the beneficiary of charles augustine's1 million life insurance policy. investigators learned that kathy and charles were talking about a divorce before he suffered the stroke. it's unclear whether kathy would have remained the beneficiary, had the two divorced. investigators now wondered if charles augustine had been a victim of foul play, but their immediate concern was the investigation of kathy's death. >> very early in my career, a very seasoned homicide detective shared with me something that's always kind of stayed with me. and he said that during the course of a good investigation, the clean get cleaner and the dirty get dirtier. >> the medical examiner told police she saw something suspicious during kathy augustine's autopsy, two small bruises on kathy's left buttock. >> there was at least one injection, if not two probable injection or needle puncture sites identified in an unusual location for therapy, and the puncture sites were not ever accounted for with the record of medical therapy. >> investigators now wond